WTJP21 RJTD 250600 WARNING 250600. WARNING VALID 260600. WARNING IS UPDATED EVERY 6 HOURS. TYPHOON WARNING. TYPHOON 2410 SHANSHAN (2410) 980 HPA AT 25.7N 137.9E SEA SOUTH OF JAPAN MOVING NORTHWEST 15 KNOTS. POSITION FAIR. MAX WINDS 65 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 30 MILES. RADIUS OF OVER 30 KNOT WINDS 150 MILES. FORECAST POSITION FOR 251800UTC AT 27.1N 135.7E WITH 35 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 70 KNOTS NEAR CENTER. FORECAST POSITION FOR 260600UTC AT 28.0N 133.5E WITH 50 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 965 HPA, MAX WINDS 75 KNOTS NEAR CENTER. EXTENDED OUTLOOK. FORECAST POSITION FOR 270600UTC AT 29.7N 131.4E WITH 85 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 85 KNOTS NEAR CENTER. FORECAST POSITION FOR 280600UTC AT 32.6N 132.4E WITH 120 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 950 HPA, MAX WINDS 80 KNOTS NEAR CENTER. FORECAST POSITION FOR 290600UTC AT 36.8N 135.1E WITH 175 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 975 HPA, MAX WINDS 60 KNOTS NEAR CENTER. FORECAST POSITION FOR 300600UTC AT 42.2N 139.1E WITH 250 MILES RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.=